CN116575227A - Novel normal-temperature active water continuous bleaching auxiliary process - Google Patents
Novel normal-temperature active water continuous bleaching auxiliary process Download PDFInfo
- Publication number
- CN116575227A CN116575227A CN202310782353.0A CN202310782353A CN116575227A CN 116575227 A CN116575227 A CN 116575227A CN 202310782353 A CN202310782353 A CN 202310782353A CN 116575227 A CN116575227 A CN 116575227A
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- CN
- China
- Prior art keywords
- active water
- grey cloth
- pure cotton
- temperature
- cotton grey
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 238000004061 bleaching Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 29
- 229920000742 Cotton Polymers 0.000 claims abstract description 53
- 239000004744 fabric Substances 0.000 claims abstract description 53
- 239000008399 tap water Substances 0.000 claims abstract description 33
- 235000020679 tap water Nutrition 0.000 claims abstract description 33
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000001301 oxygen Substances 0.000 claims abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000005406 washing Methods 0.000 claims description 14
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical group [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 claims description 9
- 239000008213 purified water Substances 0.000 claims description 7
- 238000001223 reverse osmosis Methods 0.000 claims description 7
- 239000010865 sewage Substances 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000012224 working solution Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000001035 drying Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000001052 yellow pigment Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a novel normal-temperature active water continuous bleaching auxiliary process, which comprises the following steps of: step one, preparing relatively pure tap water as a raw material; step two, electrolyzing the pure tap water in the step one into active water containing superoxide radicals; step three, the active water in the step two releases nascent oxygen through mechanical force, and carries out normal temperature bleaching treatment on pure cotton grey cloth; and fourthly, carrying out final treatment on the bleached pure cotton grey cloth, and detecting various quality indexes of the bleached pure cotton grey cloth after treatment. The novel normal-temperature active water continuous bleaching auxiliary process is adopted, no chemical auxiliary agent is used, only active water is used for bleaching, the active water working solution can be recycled, the zero emission of pretreatment sewage is realized, the environment is friendly, the production cost of pretreatment of pure cotton grey cloth can be greatly reduced, and the novel normal-temperature active water continuous bleaching auxiliary process belongs to a subversion novel process technology.
Description
Technical Field
The invention relates to the technical field of bleaching processes, in particular to a novel normal-temperature active water continuous bleaching auxiliary process.
Background
The conventional bleaching technology of pure cotton grey cloth is to use assistants such as caustic soda, refining agent, hydrogen peroxide and the like to treat the pure cotton grey cloth for 60 minutes in an environment of 98-100 ℃, remove impurities (impurities such as pectin, wax, yellow pigment, ash and the like) on the pure cotton grey cloth, use a large amount of chemical assistants, steam and the like, and lead the sewage formed in the later stage of working solution to have higher COD (chemical oxygen demand) and alkalinity and the turbidity of the sewage to be ultrahigh. Under such circumstances, in order to minimize the use of chemical additives and reduce the sewage treatment pressure, a technology for bleaching normal-temperature active water is proposed.
Disclosure of Invention
The invention aims to provide a novel normal-temperature active water continuous bleaching auxiliary agent process, which does not use any chemical auxiliary agent, only uses active water for bleaching, and the active water working solution can be recycled, so that the zero discharge of pretreatment sewage is realized, the environment is friendly, the production cost of pretreatment of pure cotton grey cloth can be greatly reduced, and the novel normal-temperature active water continuous bleaching auxiliary agent process belongs to a subversion novel process technology.
In order to achieve the above purpose, the invention provides a novel normal-temperature active water continuous bleaching auxiliary process, which comprises the following steps:
step one, preparing relatively pure tap water as a raw material;
step two, electrolyzing the pure tap water in the step one into active water containing superoxide radicals;
step three, the active water in the step two releases nascent oxygen through mechanical force, and carries out normal temperature bleaching treatment on pure cotton grey cloth;
and fourthly, carrying out final treatment on the bleached pure cotton grey cloth, and detecting various quality indexes of the bleached pure cotton grey cloth after treatment.
Preferably, the relatively pure tap water in the first step is purified water obtained by reverse osmosis treatment of water in the factory.
Preferably, the step of electrolyzing pure tap water into active water containing superoxide group in the step two comprises the following steps: placing tap water in an electrolytic cell, electrifying an electrode, and electrifying for half an hour to obtain active water containing superoxide radical.
Preferably, the bleaching operation in the third step is: and continuously treating the pure cotton grey cloth for 2-3 times by using active water with the bath ratio of 1:6-8, wherein no auxiliary agent is required to be added, the temperature is 30 ℃, and the time is 20min.
Preferably, in the fourth step, after the pure cotton grey cloth is bleached, normal-temperature water washing is performed on the pure cotton grey cloth, after the water washing, the pure cotton grey cloth is dehydrated and dried, and all quality indexes are detected.
Therefore, the novel normal-temperature active water continuous bleaching auxiliary process is adopted, no chemical auxiliary agent is used, only active water is used for bleaching, the active water working solution can be recycled, the zero emission of pretreatment sewage is realized, the environment is friendly, the production cost of pretreatment of pure cotton grey cloth can be greatly reduced, and the novel normal-temperature active water continuous bleaching auxiliary process belongs to a subversion novel process technology.
The technical scheme of the invention is further described in detail through examples.
Detailed Description
The technical scheme of the invention is further described below by examples.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.
Examples
The invention provides a novel normal-temperature active water continuous bleaching auxiliary process, which comprises the following steps of:
step one, preparing relatively pure tap water as a raw material, wherein the relatively pure tap water is purified water after reverse osmosis treatment of water in a factory.
Step two, electrolyzing the pure tap water in the step one into active water containing superoxide radicals, wherein the step two is as follows: placing tap water in an electrolytic cell, electrifying an electrode, and electrifying for half an hour to obtain active water containing superoxide radical.
Step three, the active water in the step two releases nascent oxygen through mechanical force, and carries out normal-temperature bleaching treatment on pure cotton grey cloth, wherein the bleaching operation is as follows: and continuously treating the pure cotton grey cloth for 2-3 times by using active water with the bath ratio of 1:6-8, wherein no auxiliary agent is required to be added, the temperature is 30 ℃, and the time is 20min.
And fourthly, washing the bleached pure cotton grey cloth at normal temperature, dehydrating and drying the pure cotton grey cloth after washing, and detecting various quality indexes of the bleached pure cotton grey cloth.
Example 1
The invention provides a novel normal-temperature active water continuous bleaching auxiliary process, which comprises the following steps of:
step one, preparing relatively pure tap water as a raw material, wherein the relatively pure tap water is purified water after reverse osmosis treatment of water in a factory.
Step two, electrolyzing the pure tap water in the step one into active water containing superoxide radicals, wherein the step two is as follows: placing tap water in an electrolytic cell, electrifying an electrode, and electrifying for half an hour to obtain active water containing superoxide radical.
Step three, the active water in the step two releases nascent oxygen through mechanical force, and carries out normal-temperature bleaching treatment on pure cotton grey cloth, wherein the bleaching operation is as follows: the pure cotton grey cloth is treated by active water with the bath ratio of 1:6 for 2 times continuously, no auxiliary agent is added, the temperature is 30 ℃, and the time is 20min.
And fourthly, washing the bleached pure cotton grey cloth at normal temperature, dehydrating and drying the pure cotton grey cloth after washing, and detecting various quality indexes of the bleached pure cotton grey cloth.
In the embodiment, the whiteness value of the pure cotton grey cloth reaches 60, and the capillary effect can reach 6cm/30min.
Example two
The invention provides a novel normal-temperature active water continuous bleaching auxiliary process, which comprises the following steps of:
step one, preparing relatively pure tap water as a raw material, wherein the relatively pure tap water is purified water after reverse osmosis treatment of water in a factory.
Step two, electrolyzing the pure tap water in the step one into active water containing superoxide radicals, wherein the step two is as follows: placing tap water in an electrolytic cell, electrifying an electrode, and electrifying for half an hour to obtain active water containing superoxide radical.
Step three, the active water in the step two releases nascent oxygen through mechanical force, and carries out normal-temperature bleaching treatment on pure cotton grey cloth, wherein the bleaching operation is as follows: the pure cotton grey cloth is treated by active water with the bath ratio of 1:6 for 3 times continuously, no auxiliary agent is added, the temperature is 30 ℃, and the time is 20min.
And fourthly, washing the bleached pure cotton grey cloth at normal temperature, dehydrating and drying the pure cotton grey cloth after washing, and detecting various quality indexes of the bleached pure cotton grey cloth.
In the embodiment, the whiteness value of the pure cotton grey cloth reaches 63, and the capillary effect can reach 7cm/30min.
Example III
The invention provides a novel normal-temperature active water continuous bleaching auxiliary process, which comprises the following steps of:
step one, preparing relatively pure tap water as a raw material, wherein the relatively pure tap water is purified water after reverse osmosis treatment of water in a factory.
Step two, electrolyzing the pure tap water in the step one into active water containing superoxide radicals, wherein the step two is as follows: placing tap water in an electrolytic cell, electrifying an electrode, and electrifying for half an hour to obtain active water containing superoxide radical.
Step three, the active water in the step two releases nascent oxygen through mechanical force, and carries out normal-temperature bleaching treatment on pure cotton grey cloth, wherein the bleaching operation is as follows: the pure cotton grey cloth is treated by active water with the bath ratio of 1:7 for 3 times continuously, no auxiliary agent is added, the temperature is 30 ℃, and the time is 20min.
And fourthly, washing the bleached pure cotton grey cloth at normal temperature, dehydrating and drying the pure cotton grey cloth after washing, and detecting various quality indexes of the bleached pure cotton grey cloth.
In the embodiment, the whiteness value of the pure cotton grey cloth reaches 65, and the capillary effect can reach 8cm/30min.
Example IV
The invention provides a novel normal-temperature active water continuous bleaching auxiliary process, which comprises the following steps of:
step one, preparing relatively pure tap water as a raw material, wherein the relatively pure tap water is purified water after reverse osmosis treatment of water in a factory.
Step two, electrolyzing the pure tap water in the step one into active water containing superoxide radicals, wherein the step two is as follows: placing tap water in an electrolytic cell, electrifying an electrode, and electrifying for half an hour to obtain active water containing superoxide radical.
Step three, the active water in the step two releases nascent oxygen through mechanical force, and carries out normal-temperature bleaching treatment on pure cotton grey cloth, wherein the bleaching operation is as follows: the pure cotton grey cloth is treated by active water with the bath ratio of 1:8 for 3 times continuously, no auxiliary agent is added, the temperature is 30 ℃, and the time is 20min.
And fourthly, washing the bleached pure cotton grey cloth at normal temperature, dehydrating and drying the pure cotton grey cloth after washing, and detecting various quality indexes of the bleached pure cotton grey cloth.
In the embodiment, the whiteness value of the pure cotton grey cloth reaches 68, and the capillary effect can reach 10cm/30min.
Therefore, the novel normal-temperature active water continuous bleaching auxiliary process is adopted, no chemical auxiliary agent is used, only active water is used for bleaching, the active water working solution can be recycled, the zero emission of pretreatment sewage is realized, the environment is friendly, the production cost of pretreatment of pure cotton grey cloth can be greatly reduced, and the novel normal-temperature active water continuous bleaching auxiliary process belongs to a subversion novel process technology.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting it, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the invention can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the invention.
Claims (5)
1. A novel normal-temperature active water continuous bleaching auxiliary process is characterized in that: the method comprises the following steps:
step one, preparing relatively pure tap water as a raw material;
step two, electrolyzing the pure tap water in the step one into active water containing superoxide radicals;
step three, the active water in the step two releases nascent oxygen through mechanical force, and carries out normal temperature bleaching treatment on pure cotton grey cloth;
and fourthly, carrying out final treatment on the bleached pure cotton grey cloth, and detecting various quality indexes of the bleached pure cotton grey cloth after treatment.
2. The novel normal-temperature active water continuous bleaching auxiliary process according to claim 1, which is characterized in that: the relatively pure tap water in the first step is purified water obtained by reverse osmosis treatment of the tap water in the factory.
3. The novel normal-temperature active water continuous bleaching auxiliary process according to claim 1, which is characterized in that: in the second step, the step of electrolyzing pure tap water into active water containing superoxide group comprises the following steps: placing tap water in an electrolytic cell, electrifying an electrode, and electrifying for half an hour to obtain active water containing superoxide radical.
4. The novel normal-temperature active water continuous bleaching auxiliary process according to claim 1, which is characterized in that: the bleaching operation in the third step is as follows: and continuously treating the pure cotton grey cloth for 2-3 times by using active water with the bath ratio of 1:6-8, wherein no auxiliary agent is required to be added, the temperature is 30 ℃, and the time is 20min.
5. The novel normal-temperature active water continuous bleaching auxiliary process according to claim 1, which is characterized in that: and in the fourth step, after the pure cotton grey cloth is bleached, normal-temperature water washing is carried out on the pure cotton grey cloth, the pure cotton grey cloth is dehydrated and dried after the water washing, and all quality indexes are detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310782353.0A CN116575227A (en) | 2023-06-29 | 2023-06-29 | Novel normal-temperature active water continuous bleaching auxiliary process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310782353.0A CN116575227A (en) | 2023-06-29 | 2023-06-29 | Novel normal-temperature active water continuous bleaching auxiliary process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116575227A true CN116575227A (en) | 2023-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310782353.0A Pending CN116575227A (en) | 2023-06-29 | 2023-06-29 | Novel normal-temperature active water continuous bleaching auxiliary process |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB189511016A (en) * | 1895-06-04 | 1896-04-04 | Henry Blackman | Improvements in Electrolytic Decompositions, and especially in the Electrolytic Production of Bleaching Agents and their Uses, adn in Electrodes and Apparatus therefor. |
| JP2001164458A (en) * | 1999-12-07 | 2001-06-19 | Sando Iron Works Co Ltd | Method for bleaching cotton fiber product using ozone and apparatus therefor |
| JP2001172858A (en) * | 1999-12-17 | 2001-06-26 | Lion Corp | Method for cleaning clothes |
| KR20190128924A (en) * | 2018-05-09 | 2019-11-19 | 오승환 | A washing method using the electrolyted water of nano bubble and apparatus thereof |
| JP2020020082A (en) * | 2018-07-18 | 2020-02-06 | 地方独立行政法人神奈川県立産業技術総合研究所 | Fabric bleaching method and method for reducing color reversion of bleached fabric |
-
2023
- 2023-06-29 CN CN202310782353.0A patent/CN116575227A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB189511016A (en) * | 1895-06-04 | 1896-04-04 | Henry Blackman | Improvements in Electrolytic Decompositions, and especially in the Electrolytic Production of Bleaching Agents and their Uses, adn in Electrodes and Apparatus therefor. |
| JP2001164458A (en) * | 1999-12-07 | 2001-06-19 | Sando Iron Works Co Ltd | Method for bleaching cotton fiber product using ozone and apparatus therefor |
| JP2001172858A (en) * | 1999-12-17 | 2001-06-26 | Lion Corp | Method for cleaning clothes |
| KR20190128924A (en) * | 2018-05-09 | 2019-11-19 | 오승환 | A washing method using the electrolyted water of nano bubble and apparatus thereof |
| JP2020020082A (en) * | 2018-07-18 | 2020-02-06 | 地方独立行政法人神奈川県立産業技術総合研究所 | Fabric bleaching method and method for reducing color reversion of bleached fabric |
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